Assembly structure of a device holding device

Abstract

A device assembly structure includes left and right side panels and a device disposed between the left and right side panels. The left and right side panels have substantially vertical sidewalls and are provided with left and right supporting portions at their lower portions, respectively. Left and right bases are disposed between the left and right supporting portions, and the left and right bases are provided with positioning portions. The device includes a crossbar telescopic assembly capable of supporting and positioning the device and capable of laterally positioning and moving. The crossbar telescopic assembly includes at least a positioning member, and the positioning member is provided with a positioning mating portion. The device is longitudinally positioned and disassembled on the positioning portions of the left and right bases via the positioning mating portions of the positioning member. Through the improvements to the above structure, the present invention allows users to achieve convenient, quick, efficient, and flexible assembly and disassembly of the device, thereby enhancing its practicality.

Description

Technical Field

[0001] The invention relates to an assembly structure of a device holding apparatus. Background Art

[0002] Chinese patent document number CN112107161A disclosed on December 22, 2020 a concealed supporting structure for a drawer, comprising at least left and right side panels, the lower parts of the left and right side panels being integrally bent with left and right supporting parts, a supporting device being provided between the left and right supporting parts, and at least one supporting area for supporting devices being provided on the supporting device; the supporting device comprises a left base, a right base, at least two telescopic rod assemblies and at least one movable rod assembly; the left and right bases are respectively supported on the left and right supporting parts, at least two telescopic rod assemblies are arranged front to back, and the two ends are fixedly connected to the left base and the right base respectively, and at least one movable rod assembly is located between the at least two telescopic rod assemblies; a connecting rod is provided on the movable rod assembly and / or the front and rear telescopic rod assemblies, and the connecting rod is longitudinally arranged on the movable rod assembly and / or the front and rear telescopic rod assemblies, and slides laterally on the movable rod assembly and / or the front and rear telescopic rod assemblies, so as to at least achieve adjustable lateral dimensions of the supporting area. Although the holding device of the above structure can be placed on the left and right side panels from top to bottom during assembly, there is no pre-positioned matching position between the two. Therefore, when the drawer has been assembled, it is difficult to achieve the required assembly position if the holding device is assembled from top to bottom. The user needs to make multiple adjustments to complete the assembly of the holding device, which makes the assembly operation of the holding device extremely inconvenient. For example, the drawer panel must be removed, the holding device must be adjusted, and the panel must be reinstalled. Although this can reduce the assembly and adjustment process of the holding device, the disassembly and assembly of the panel not only increases the disassembly and assembly steps and affects the user experience, but also easily causes damage to the panel and may make it impossible to restore the assembly position of the panel, requiring the panel to be readjusted. Therefore, further improvements are necessary. Summary of the Invention

[0003] The purpose of the present invention is to provide an assembly structure for a device holding apparatus, so as to overcome the shortcomings of the prior art of the holding apparatus being difficult to assemble and inconvenient to operate.

[0004] An assembly structure of a device supporting device designed for this purpose includes left and right side panels and a supporting device arranged between the left and right side panels, and is characterized in that: the side walls of the left and right side panels are basically vertical, and the lower parts are respectively provided with left and right supporting parts, and left and right bases are provided between the left and right supporting parts, and the left and right bases are provided with positioning parts; the supporting device includes a cross-bar telescopic assembly that can support and position the device and can be laterally positioned and moved, the cross-bar telescopic assembly includes at least a positioning part, and the positioning part is provided with a positioning matching part; the supporting device is longitudinally positioned and disassembled on the positioning parts of the left and right bases through the positioning matching part of the positioning part.

[0005] The positioning matching portion and the positioning portion are longitudinally positioned and sleeved with each other.

[0006] The front and / or rear ends of the left and right side panels are integrally bent to form a bending portion, and a fastening portion is provided on the bending portion; the positioning portion is protruding on the left and right bases, and a distance is formed between the bending portion and / or the fastening portion; the height of the fastening portion is higher than the height of the positioning portion.

[0007] There is at least one positioning portion which is convexly arranged on the upper surfaces of the left and right bases, and the positioning matching portion is concavely arranged at the bottom of the positioning piece; the supporting device is longitudinally sleeved on the convex positioning portion through the concave positioning matching portion.

[0008] After assembly, the holding device is fixed to the left and right bases by its own gravity, and / or the gravity of the device, and / or fasteners, and / or buckles, and / or magnetic attraction.

[0009] A guiding portion is further provided between the positioning portion and the positioning matching portion, and the two are longitudinally positioned and sleeved together through the guiding portion.

[0010] The cross bar telescopic assembly includes front and rear cross bar telescopic assemblies, and the front and rear cross bar telescopic assemblies respectively include a middle cross bar and left and right side cross bars; the positioning member includes a side positioning member that is connected to the left and right side cross bars; the outer ends of the left and right side cross bars are respectively fixedly connected to the side positioning members, and the inner ends are respectively slidably connected to the two ends of the middle cross bar.

[0011] The side positioning piece is provided with a positioning matching portion.

[0012] At least one adapter is provided on the left and right bases, and a positioning portion is provided on the adapter.

[0013] The receiving device is longitudinally positioned and disassembled on the positioning portion through the positioning matching portion.

[0014] The cross bar telescopic assembly also includes a middle cross bar telescopic assembly, which is located between the front and rear cross bar telescopic assemblies and includes a middle movable rod and left and right movable rods; the positioning member also includes a middle positioning member that is cooperatively connected to the left and right movable rods; the outer ends of the left and right movable rods are respectively fixedly connected to the middle positioning member, and are respectively longitudinally slid and / or positionally supported on the left and right bases through the middle positioning member, and the inner ends of the left and right movable rods are respectively positionably slidably sleeved on the two ends of the middle movable rod.

[0015] At least one receiving area for placing a device and adjusting the longitudinal and / or lateral dimensions is formed between the front, middle and rear crossbar telescopic assemblies.

[0016] The front and rear crossbar telescopic assemblies are respectively provided with front and rear movable parts that can move laterally, and the middle crossbar telescopic assembly is provided with a middle movable part that can move laterally; the upper parts of the front, middle and rear movable parts are detachably provided with upper connecting rods, and the lower parts are detachably provided with lower connecting rods.

[0017] When the device is placed in the receiving area, its bottom supporting positioning is supported on the lower connecting rod, and the side front and rear and / or left and right positioning acts on the upper connecting rod, and / or the front and rear cross bar telescopic components, and / or the middle cross bar telescopic components.

[0018] The middle cross bar telescopic assembly, middle positioning member, and middle movable member slide longitudinally synchronously between the front and rear cross bar telescopic assemblies through the cooperation of the upper and lower connecting rods, and are positioned and supported on the left and right bases by the middle positioning member and / or the middle movable member at least when subjected to force, so as to position and / or adjust the longitudinal size of the receiving area.

[0019] The front, middle and rear movable parts slide laterally on the front, middle and rear cross bar telescopic components, and when sliding laterally, drive the upper connecting rod and the lower connecting rod to slide laterally on the front, middle and rear cross bar telescopic components synchronously to adjust the lateral size of the holding area.

[0020] The structure also includes a slide rail assembly; the lower parts of the left and right supporting parts are respectively provided with a supporting part; the left and right side plates are detachably arranged on the slide rail assembly, and when the two are assembled, the slide rail assembly relies on the inner side of the supporting part.

[0021] After being placed, the device is positioned and supported on the left and right bases by the side positioning members, and / or the middle positioning members, and / or the front and rear movable members, and / or the middle movable member, and then acts on the left and right supporting parts and the slide rail assembly through the left and right bases.

[0022] The present invention has the following advantages compared with the prior art through the improvement of the above structure:

[0023] 1. Left and right supporting parts are respectively provided at the lower parts of the left and right side panels, and left and right bases are provided between the left and right supporting parts, and positioning parts are provided on the left and right bases, and then side positioning pieces are respectively provided at both ends of the front and rear cross bar telescopic components of the supporting device, and positioning matching parts are provided on the side positioning pieces, so that the supporting device can be longitudinally positioned and disassembled on the positioning parts through the positioning matching parts; since the positioning matching parts and the positioning parts have longitudinal positioning and guiding functions, there is a certain pre-assembly effect when the supporting device is assembled, so that the supporting device can be conveniently, quickly, efficiently and flexibly disassembled and assembled, so as to avoid the problems of difficult assembly and inconvenient operation caused by the supporting device in the prior art that can only be adjusted manually in position or the panel must be removed to complete accurate assembly without any auxiliary parts, thereby facilitating the disassembly and daily maintenance of the supporting device.

[0024] 2. The device is placed on the receiving area of ​​the receiving device in a supporting manner, so that the gravity of the device can act well on the left and right side panels and the left and right slide rail assemblies through the receiving device. This not only increases the device's load-bearing capacity, but also prevents it from breaking, being damaged or falling during operation, thereby ensuring the device's receiving stability. In addition, users can also dismantle and assemble the receiving device at will according to actual usage needs to improve the user experience.

[0025] 3. The placement area can be adjusted in longitudinal and transverse dimensions through the cooperation of the front, middle and rear cross bar telescopic components, the front, middle and rear movable parts, and the upper and lower connecting rods, so that devices of different sizes and / or the same size can be arbitrarily positioned and placed on placement areas of different sizes and / or the same size and / or different positions to meet the various placement requirements of various devices, thereby effectively avoiding the problem of fixed drawer size in the prior art, which can only place devices of a single size or fixed placement position, thereby improving the placement flexibility of devices and providing great convenience for users to place devices.

[0026] 4. The ends of the front and rear crossbar telescopic components are respectively assembled in a fixed manner, while the middle position can be slid horizontally, so that the lateral size of the entire supporting device can be adjusted, thereby enabling the supporting device to be suitable for use in drawers of different inner widths, thereby improving the flexibility and application range of the supporting device.

[0027] 5. The middle crossbar telescopic assembly can slide longitudinally between the front and rear crossbar telescopic assemblies, which not only enables the placement device to adapt to the placement of devices of different depths, but also allows the middle crossbar telescopic assembly to slide longitudinally when multiple devices are disassembled and assembled, thereby making room for the remaining devices to be disassembled and assembled, which is convenient for users.

[0028] In general, it has the characteristics of simple and reasonable structure, quick and convenient assembly, low manufacturing cost, good concealment of device placement, good stability, wide range of use, high flexibility, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the exploded structure of the drawer, slide rail assembly, and supporting device of the first embodiment of the present invention.

[0030] Figure 2 This is a schematic diagram of the assembly structure of the drawer, slide rail assembly, and supporting device of the first embodiment of the present invention.

[0031] Figure 3 、 Figure 4 This is a schematic diagram of the drawer, slide rail assembly, receiving device, and device assembly structure of the first embodiment of the present invention (the panel is omitted).

[0032] Figure 5 for Figure 4 A in the figure is an enlarged structural diagram.

[0033] Figure 6 Schematic diagram of the device positioning and placement structure of the first embodiment of the present invention (cross-sectional view).

[0034] Figure 7 、 Figure 8 This is a schematic diagram of the exploded structure of the side positioning member, adapter, and left and right bases of the first embodiment of the present invention.

[0035] Figure 9 This is a schematic diagram (partial cross-section) of the assembly structure of the side positioning member, adapter, and left and right bases according to the first embodiment of the present invention.

[0036] Figure 10 This is a schematic diagram of the assembly structure of the left and right side panels, adapter, and left and right bases of the first embodiment of the present invention.

[0037] Figure 11 This is a schematic diagram of the exploded structure of the front, middle and rear crossbar telescopic assembly and the front, middle and rear movable parts of the first embodiment of the present invention.

[0038] Figure 12 This is a schematic diagram of the exploded structure of the side positioning member, adapter, and left and right bases of the second embodiment of the present invention.

[0039] Figure 13 This is a schematic diagram (partial cross-section) of the assembly structure of the side positioning member, the adapter, and the left and right bases according to the second embodiment of the present invention. DETAILED DESCRIPTION

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0041] First embodiment

[0042] See also Figures 1-11 The assembly structure of the device holding apparatus includes a drawer and a slide rail assembly 23; wherein the drawer includes at least left and right side panels 1, and a holding apparatus is provided between the left and right side panels 1.

[0043] The side walls of the left and right side panels 1 are basically vertical, and the lower part is respectively provided with a left and right supporting part 2, a left and right base 3 is provided between the left and right supporting parts 2, and a positioning part 4 is provided on the left and right base 3; the supporting device includes a support-type positioning placement device 5 and a horizontally positionable and movable cross-bar telescopic assembly, the cross-bar telescopic assembly at least includes a positioning part, and a positioning matching part 6 is provided on the positioning part; the supporting device is longitudinally positioned and disassembled on the positioning part 4 of the left and right base 3 through the positioning matching part 6 of the positioning part.

[0044] In order to facilitate assembly and disassembly, the positioning matching portion 6 and the positioning portion 4 of this embodiment are longitudinally positioned and sleeved with each other.

[0045] The drawer further includes a front panel 30 and a rear panel 31. The left and right side panels 1 have a bent portion 7 formed integrally at the front and / or rear ends, with fastening portions 8 provided on the bent portions 7. Specifically, the left and right side panels 1 each have a bent portion 7 formed integrally at the front and rear ends, and the front panel 30 and rear panel 31 are fixedly connected to the fastening portions 8 of the front and rear bent portions 7, respectively.

[0046] The positioning portion 4 is protruded on the left and right bases 3 and forms a gap between it and the bending portion 7 and / or the fastening portion 8; the height of the fastening portion 8 is higher than the height of the positioning portion 4, so when assembling, the user can pre-assemble the positioning portion 4 on the left and right bases 3, and then assemble the panel 30 and the rear panel 31, or interchange the above-mentioned assembly order, without having to choose only one to install first due to height interference, thereby improving the user's usage experience.

[0047] There is at least one positioning part 4 that is convex on the upper surface of the left and right bases 3, and the positioning matching part 6 is concave at the bottom of the positioning part; the supporting device is longitudinally sleeved on the convex positioning part 4 through the concave positioning matching part 6.

[0048] Due to the socketing effect between the positioning matching part 6 and the positioning part 4, the supporting device can be fixed on the left and right bases 3 front and back, left and right by its own gravity after assembly, and the bottom is supported on the left and right bases 3. If a device 5 is placed, it can also be fixed by the gravity of the device 5. In addition, in order to further improve the assembly stability of the supporting device, the supporting device can also be fixed on the left and right bases 3 front and back, left and right, and up and down by fasteners 9.

[0049] In order to facilitate the sleeve assembly between the positioning portion 4 and the positioning matching portion 6 , a guide portion 11 is further provided between the positioning portion 4 and the positioning matching portion 6 , and the two are longitudinally positioned and sleeved together by the guide portion 11 .

[0050] The crossbar telescopic assembly of this embodiment includes front and rear crossbar telescopic assemblies X, which respectively include a middle crossbar 12 and left and right side crossbars 13; the positioning members include side positioning members 14 that cooperate with the left and right side crossbars 13; the outer ends of the left and right side crossbars 13 are respectively fixedly connected to the side positioning members 14, and the inner ends are respectively slidably connected to the two ends of the middle crossbar 12.

[0051] The positioning fitting portion 6 is recessed at the bottom of the side positioning member 14 .

[0052] At least one adapter 15 is provided on the left and right bases 3 , and the adapter 15 is fixed on the left and right bases 3 by fixing members. The positioning portion 4 is protruded on the upper surface of the adapter 15 .

[0053] During assembly, the receiving device is longitudinally positioned and disassembled on the positioning portion 4 of the adapter 15 through the positioning matching portion 6 of the side positioning member 14, and then fixed and assembled in the front-to-back, left-to-right, and up-to-down directions through the fasteners 9.

[0054] Furthermore, the crossbar telescopic assembly also includes a middle crossbar telescopic assembly Y, which is located between the front and rear crossbar telescopic assemblies X and includes a middle movable rod 16 and left and right movable rods 17; the positioning member also includes a middle positioning member 18 that is cooperatively connected to the left and right movable rods 17; the outer ends of the left and right movable rods 17 are respectively fixedly connected to the middle positioning member 18, and are respectively longitudinally slidably and / or positionally supported on the left and right bases 3 through the middle positioning member 18, and the inner ends of the left and right movable rods 17 are respectively slidably sleeved with the two ends of the middle movable rod 16.

[0055] At least one receiving area for placing a device 5 and an adjustable longitudinal and / or lateral size is formed between the front, middle and rear crossbar telescopic components.

[0056] The front and rear crossbar telescopic assemblies X are provided with front and rear movable parts 19, and the middle crossbar telescopic assembly Y is provided with a middle movable part 20. The upper part of the front, middle and rear movable parts is detachably provided with an upper connecting rod 21, and the lower part is detachably provided with a lower connecting rod 22.

[0057] When the device 5 is placed in the receiving area, its bottom supporting positioning is supported on the lower connecting rod 22, and the side front and rear and / or left and right positioning acts on the upper connecting rod 21, and / or the front and rear cross bar telescopic assembly X, and / or the middle cross bar telescopic assembly Y.

[0058] The middle crossbar telescopic assembly Y, the middle positioning member 18, and the middle movable member 20 slide longitudinally synchronously between the front and rear crossbar telescopic assemblies X through the cooperation of the upper and lower connecting rods, and are positioned and supported on the left and right bases 3 by the middle positioning member 18 and / or the middle movable member 20 at least when subjected to force, so as to position and / or adjust the longitudinal size of the receiving area.

[0059] The front, middle and rear movable parts slide laterally on the front, middle and rear cross bar telescopic components, and when sliding laterally, drive the upper connecting rod 21 and the lower connecting rod 22 to slide laterally on the front, middle and rear cross bar telescopic components synchronously to adjust the lateral size of the holding area.

[0060] The left and right supporting parts 2 are respectively provided with a supporting part 24 at the lower part; the left and right side panels 1 are detachably provided on the slide rail assembly 23 , and when the two are assembled, the slide rail assembly 23 leans against the inner side of the supporting part 24 .

[0061] After being placed, the device 5 is positioned and supported on the left and right bases 3 by the side positioning members 14, and / or the middle positioning member 18, and / or the front and rear movable members 19, and / or the middle movable member 20, and then supported by the left and right bases 3 to act on the left and right supporting parts 2 and the slide rail assembly 23.

[0062] Second embodiment

[0063] See also Figure 12 、 Figure 13 The assembly structure of the device holding apparatus of the present invention is different from that of the first embodiment in that a buckle 10 is provided on the side positioning member 14 and a snap-fitting portion 32 is provided on the adapter member 15 .

[0064] After assembly, the receiving device is snapped onto the snap-fit ​​portion 32 of the adapter 15 through the snap-fitting 10 of the side positioning member 14, so as to achieve front-to-back, left-to-right, and top-to-bottom fixed assembly of the receiving device.

[0065] Other undescribed parts are the same as those in the first embodiment.

[0066] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. An assembly structure of a device receiving device, comprising left and right side plates (1) and a receiving device arranged between the left and right side plates (1), characterized in that: The side walls of the left and right side panels (1) are substantially vertical, and the lower portions are respectively provided with left and right supporting portions (2); left and right bases (3) are provided between the left and right supporting portions (2); and positioning portions (4) are provided on the left and right bases (3); the supporting device comprises a supporting positioning placement device (5) and a horizontally positionable and movable crossbar telescopic assembly, the crossbar telescopic assembly at least comprising a positioning member, and a positioning matching portion (6) being provided on the positioning member; the supporting device is longitudinally positioned and disassembled on the positioning portions (4) of the left and right bases (3) through the positioning matching portion (6) of the positioning member; The crossbar telescopic assembly includes front and rear crossbar telescopic assemblies (X), and the front and rear crossbar telescopic assemblies (X) respectively include a middle crossbar (12) and left and right side crossbars (13); the positioning member includes a side positioning member (14) that is connected to the left and right side crossbars (13); the outer ends of the left and right side crossbars (13) are respectively fixedly connected to the side positioning members (14), and the inner ends are respectively connected to the two ends of the middle crossbar (12) in a positionable sliding manner; The side positioning member (14) is provided with a positioning matching portion (6); At least one adapter (15) is provided on the left and right bases (3), and a positioning portion (4) is provided on the adapter (15); The receiving and placing device is longitudinally positioned and disassembled on the positioning portion (4) through the positioning matching portion (6).

2. The assembly structure of the device holding device according to claim 1, characterized in that: The positioning matching portion (6) and the positioning portion (4) are longitudinally positioned and sleeved with each other.

3. The assembly structure of the device holding device according to claim 2, characterized in that: The front and / or rear ends of the left and right side panels (1) are integrally bent to form a bent portion (7), and a fastening portion (8) is provided on the bent portion (7); the positioning portion (4) is protrudingly provided on the left and right bases (3) and forms a spacing with the bent portion (7) and / or the fastening portion (8); the height of the fastening portion (8) is higher than the height of the positioning portion (4).

4. The assembly structure of the device holding device according to claim 2 or 3, characterized in that: The positioning portion (4) is provided with at least one and is convexly arranged on the upper surfaces of the left and right bases (3); the positioning matching portion (6) is concavely arranged at the bottom of the positioning member; the supporting device is longitudinally sleeved on the convex positioning portion (4) through the concave positioning matching portion (6).

5. The assembly structure of the device holding device according to claim 4, characterized in that: After assembly, the supporting device is fixed to the left and right bases (3) by its own gravity, and / or the gravity of the device (5), and / or the fastener (9), and / or the buckle (10), and / or magnetic attraction.

6. The assembly structure of the device holding device according to claim 4, characterized in that: A guide portion (11) is further provided between the positioning portion (4) and the positioning matching portion (6), and the two are longitudinally positioned and sleeved together via the guide portion (11).

7. The assembly structure of the device holding device according to claim 6, characterized in that: The crossbar telescopic assembly further comprises a middle crossbar telescopic assembly (Y), the middle crossbar telescopic assembly (Y) being located between the front and rear crossbar telescopic assemblies (X) and comprising a middle movable rod (16) and left and right movable rods (17); the positioning member further comprises a middle positioning member (18) being cooperatively connected to the left and right movable rods (17); the outer ends of the left and right movable rods (17) are respectively fixedly connected to the middle positioning member (18), and are respectively longitudinally slidably and / or positionally supported on the left and right bases (3) through the middle positioning member (18); the inner ends of the left and right movable rods (17) are respectively positionably slidably sleeved with the two ends of the middle movable rod (16); At least one device (5) can be placed, and a receiving area with adjustable longitudinal and / or transverse dimensions is formed between the front, middle and rear crossbar telescopic components.

8. The assembly structure of the device holding device according to claim 7, characterized in that: The front and rear crossbar telescopic assemblies (X) are provided with front and rear movable parts (19) that can move laterally, and the middle crossbar telescopic assembly (Y) is provided with a middle movable part (20) that can move laterally; the upper parts of the front, middle and rear movable parts are provided with an upper connecting rod (21) that can be detachably mounted, and the lower parts are provided with a lower connecting rod (22) that can be detachably mounted; When the device (5) is placed in the receiving area, its bottom supporting positioning support is on the lower connecting rod (22), and the side front and rear and / or left and right positioning acts on the upper connecting rod (21), and / or the front and rear cross bar telescopic assembly (X), and / or the middle cross bar telescopic assembly (Y); the middle cross bar telescopic assembly (Y), the middle positioning member (18), and the middle movable member (20) are synchronously slid longitudinally between the front and rear cross bar telescopic assembly (X) through the cooperation of the upper and lower connecting rods, and are positioned and supported on the left and right bases (3) at least when subjected to force, so as to position and / or adjust the longitudinal size of the receiving area; The front, middle and rear movable parts slide transversely on the front, middle and rear crossbar telescopic components, and when sliding transversely, drive the upper connecting rod (21) and the lower connecting rod (22) to slide transversely on the front, middle and rear crossbar telescopic components synchronously, so as to adjust the transverse size of the receiving area.

9. The assembly structure of the device holding device according to claim 8, characterized in that: It also includes a slide rail assembly (23); the lower parts of the left and right supporting parts (2) are respectively provided with a supporting part (24); the left and right side panels (1) are detachably provided on the slide rail assembly (23), and when the two are assembled, the slide rail assembly (23) is supported on the inner side of the supporting part (24); After being placed, the device (5) is positioned and supported on the left and right bases (3) by side positioning members (14), and / or middle positioning members (18), and / or front and rear movable members (19), and / or middle movable members (20), and then supported on the left and right supporting parts (2) and the slide rail assembly (23) by the left and right bases (3).

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